<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
</head>
<body>

<div onmousedown="mDown(this)" onmouseup="mUp(this)" style="background-color:#D94A38;width:90px;height:20px;padding:40px;">Click Me</div>

<script>
    function mDown(obj)
    {
        obj.style.backgroundColor="#1ec5e5";
        obj.innerHTML="Release Me"
    }

    function mUp(obj)
    {
        obj.style.backgroundColor="#D94A38";
        obj.innerHTML="Thank You"
    }
</script>

</body>
</html>